The previous page is sending you to https://www.chemie.de/lexikon/Katalysator.html#:~:text=Als%20Katalysator%20(von%20der%20Katalyse,Herauf%2D%20oder%20Herabsetzung%20der%20Aktivierungsenergie..

 If you do not want to visit that page, you can return to the previous page.